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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From international scientific vocabulary, from French arachnide (1809, Lamarck), from New Latin, from Ancient Greek ἀράχνη (arákhnē, “spider”) with the suffix -id. By surface analysis, arachn- + -id.
arachnoid
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tap / space
Classic usage
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